331312110231233 has 2 divisors, whose sum is σ = 331312110231234. Its totient is φ = 331312110231232.

The previous prime is 331312110231199. The next prime is 331312110231257. The reversal of 331312110231233 is 332132011213133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208396594658704 + 122915515572529 = 14435948^2 + 11086727^2 .

It is a cyclic number.

It is not a de Polignac number, because 331312110231233 - 2²⁸ = 331311841795777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331312110231196 and 331312110231205.

It is not a weakly prime, because it can be changed into another prime (331312110231133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165656055115616 + 165656055115617.

It is an arithmetic number, because the mean of its divisors is an integer number (165656055115617).

Almost surely, 2^{331312110231233} is an apocalyptic number.

It is an amenable number.

331312110231233 is a deficient number, since it is larger than the sum of its proper divisors (1).

331312110231233 is an equidigital number, since it uses as much as digits as its factorization.

331312110231233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 331312110231233 its reverse (332132011213133), we get a palindrome (663444121444366).

The spelling of 331312110231233 in words is "three hundred thirty-one trillion, three hundred twelve billion, one hundred ten million, two hundred thirty-one thousand, two hundred thirty-three".